One woman was treated for “a bump to the head” after the crash at 9.04am on the A11 Newmarket Road near the junction with Upton Road.

The East of England Ambulance Service said it was called at 9.24am, and treated one women, believed to be in her 20s, for minor injuries.

Neither the emergency services nor the bus company could say if she was on the bus or in the car, a Honda CR-V.

A spokesperson for First Eastern Counties said: “We can confirm that our Number 14 service, travelling from Silfield to Norwich City Centre was involved in a crash on Newmarket Road at the junction with Upton Road at 9.05am. An investigation is currently underway.”

The crash caused delays for motorists during the morning, and police said the road had been partially blocked, but passable with care.